Microsoft Updates for Multiple Vulnerabilities

Last Revised
Alert Code

Systems Affected

  • Microsoft Windows
  • Microsoft Office
  • Internet Explorer


There are multiple vulnerabilities in Microsoft Windows, Office, and Internet Explorer. Microsoft has released updates to address these vulnerabilities.

The Microsoft Security Bulletin Summary for December 2011 describes multiple vulnerabilities in Microsoft Windows. Microsoft has released updates to address the vulnerabilities. Additional details for MS11-091 can be found in US-CERT vulnerability note VU#361441.


A remote, unauthenticated attacker could execute arbitrary code, cause a denial of service, or gain unauthorized access to your files or system.


Apply updates

Microsoft has provided updates for these vulnerabilities in the Microsoft Security Bulletin Summary for December 2011. That bulletin describes any known issues related to the updates. Administrators are encouraged to note these issues and test for any potentially adverse effects. In addition, administrators should consider using an automated update distribution system such as Windows Server Update Services (WSUS).



December 13, 2011: Initial release

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